Question

Which expressions are equivalent to (7^-2)*(7^6)

A. 7^2/7^-2
B. 7^6/7^-2
C. 7^-12
D. (7^2)^2

Answer 1

D

Explanation:

(7^-2)*(7^6)=7^-2+6

......since the base 7 is the same, when u multiply them, you should add the exponents and keep 7 as it is. That will be 7^4, which in equivalent to ans D(7^2)^2.